Machines

Stairs

• wedge
• pulley
• inclined plane
• wheel and axle

Lightbulb

• wedge
• pulley
• incline plane
• screw

Name this simple machine. 

• Pulley
• Wheel and Axle
• Inclined Plane
• Lever

Name this simple machine.

• Lever
• Wedge
• Pulley
• Inclined Plane

Name this simple machine. 

• Screw
• Lever
• Pulley
• Wedge

What simple machine is used to lift & move things by using a stiff bar that rests on a support called a fulcrum?

• screw

• wheel & axle

• lever

What simple machine makes work easier by using a wheel and rope to help move an object?

• pulley

• wheel & axle

• inclined plane

What simple machine has two slanted sides that end in a sharp edge and cuts things or separates an object?

• screw

• pulley

• wedge

What simple machine is a round wheel attached to a post that works together to move something?

• lever

• pulley

• wheel & axle

What simple machine has ridges wrapped around a center post that holds things together?

• pulley

• wedge

• screw